Semi-Precious Birthstones include numerous colorful Gemstones such as Multi-color Tourmalines, Blue Topaz, Peridot, Citrine, Tanzanite, Tsavorites, Amethyst, Opal, Aquamarine, Moonstone, Turquoise and many more in the list.
Without a doubt, these semi-precious Gemstones can be used as effective substitutes for the nine precious Navaratnas.